MCQ

Q1. Which non-metal is a colorless, odorless, and tasteless gas that makes up approximately 78% of Earth’s atmosphere?a) Oxygenb) Nitrogenc) Hydrogend) Carbon dioxide Q2. Which non-metal is a yellowish-brown, pungent gas with the chemical formula SO2 and is produced primarily by the burning of fossil fuels?a) Oxygenb) Sulfur dioxidec) Hydrogen sulfided) Nitrogen dioxide Q3. Which […]

Q1. Which of the following is a commonly mined ore of iron?a) Bauxiteb) Hematitec) Galenad) Magnetite Q2. Which mineral is primarily composed of calcium carbonate and is commonly used in the production of cement, mortar, and lime?a) Quartzb) Gypsumc) Calcited) Feldspar Q1. Which of the following is not a source of Ancient Indian history?a) Inscriptionsb)

Q1. What does the pH scale measure?a) Temperatureb) Acidity or alkalinityc) Pressured) Density Q2. Which of the following substances would have a pH value below 7?a) Lemon juiceb) Baking soda solutionc) Soap solutiond) Milk Q3. What does a pH value of 7 indicate on the pH scale?a) Strong acidityb) Strong alkalinityc) Neutralityd) Weak acidity Q4.

Q1. Which of the following organic compounds is commonly known as the building block of life?a) Glucoseb) Ethanolc) Methaned) Benzene Q2. Which organic compound is commonly used as a solvent, disinfectant, and antiseptic in various industries and applications?a) Ethanolb) Methanolc) Acetoned) Formaldehyde Q3. Which organic compound is the primary component of natural gas and is

Q1. What is the chemical name of common table salt?a) Sodium chlorideb) Calcium chloridec) Potassium chlorided) Magnesium chloride Q2. Which type of salt is commonly used to melt ice on roads and sidewalks during winter?a) Sodium chlorideb) Calcium chloridec) Potassium chlorided) Magnesium chloride Q3. Which type of salt is commonly used in water softeners to

Q1. Which of the following acids is commonly found in citrus fruits such as oranges and lemons?a) Hydrochloric acidb) Sulfuric acidc) Citric acidd) Acetic acid Q2. Which acid is commonly used in the production of fertilizers and detergents and is known for its corrosive properties?a) Hydrochloric acidb) Nitric acidc) Sulfuric acidd) Phosphoric acid Q3. Which

Q1. Which of the following fertilizers provides nitrogen, phosphorus, and potassium in balanced proportions?a) Ureab) Superphosphatec) NPK fertilizerd) Potassium chloride Q2. Which fertilizer is primarily composed of ammonium nitrate and is widely used as a source of nitrogen for crops?a) Superphosphateb) Ureac) Potassium sulfated) Ammonium nitrate Q3. Which fertilizer is obtained from the processing of

Q1. Which of the following drugs is commonly used to treat bacterial infections by inhibiting bacterial cell wall synthesis?a) Penicillinb) Aspirinc) Ibuprofend) Paracetamol Q2. Which chemical compound is the active ingredient in aspirin, commonly used as a pain reliever and anti-inflammatory medication?a) Acetaminophenb) Ibuprofenc) Paracetamold) Acetylsalicylic acid Q3. Which medication is commonly used to alleviate

Q1. What is the primary component of glass?a) Silicab) Calcium carbonatec) Aluminum oxided) Sodium chloride Q2. Which type of glass is known for its exceptional clarity and is commonly used in windows and glassware?a) Tempered glassb) Borosilicate glassc) Soda-lime glassd) Fused silica glass Q3. Which type of glass is known for its resistance to thermal

Q1. Which type of alcoholic beverage is produced through the fermentation of grapes?a) Whiskeyb) Vodkac) Wined) Rum Q2. Which alcoholic beverage is traditionally made from fermented barley, water, hops, and yeast?a) Tequilab) Beerc) Gind) Brandy Q3. Which alcoholic beverage is distilled from fermented sugarcane juice or molasses?a) Brandyb) Rumc) Whiskeyd) Gin Q4. Which alcoholic beverage